
Core 2: OS, Software, Security and Operational Procedures
IBM · View on Coursera ↗
Taught by IBM Skills Network Team
Computer ScienceInformation Technology
About the course
Skill up for the CompTIA Core 2 Certification exam! This course gives aspiring IT support professionals, helpdesk professionals, and system administrators essential skills for this career-launching certification and a job in IT support, networking, and system management. During this course, you’ll explore key operating systems (OS), including Microsoft Windows, Apple macOS, Linux, and cloud-based platforms. You’ll learn how to install, update, and manage IT systems while mastering their unique
The consensus
1 of the 15 reviews we read rated it 3★ or lower, but none of them wrote a comment. This is the most-upvoted review (1 vote).
“It is a great course, but only if the lab loads faster and works properly will be great.”
Coursera's 4.7 comes from 73 ratings. Of those, 0.0% are 1–2★.
Starisk reads the reviews learners voted most helpful, and weights each by the square root of its votes: a review with 80 upvotes counts about five times one with 2. Unvoted reviews are not skipped out of laziness — by this model they carry no evidence that other students endorsed them.
That measures what the most-endorsed reviews say, not “true quality.” The rating distribution above is the whole population, so you can see the sample next to it.
Reviews read on 23 Oct 2026.Read them on Coursera ↗